789529 is an asteroid in the Aten orbit class. Its orbit takes it from 0.55 AU to 1.41 AU from the Sun; one orbit takes 354.1 days. Discovered 24 September 2017 by CSS. Orbit from the JPL solution of 10 April 2026.
Where is it now
- Distance from Sun
- 1.406 AU
- True anomaly
- 184.95°
- Distance from Earth
- 0.986 AU
- As of
- 24 October 2026
Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.
In the sky
- Right ascension
- 08h 59m 03s
- Declination
- +52° 39′ 48″
- Constellation
- Ursa Major
- Distance from Earth
- 0.98 AU
- Elongation from the Sun
- 90.64° — well clear of the Sun
Favours the northern hemisphere; low or below the horizon from far south.
From your location
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Two-body approximation, good to about a degree for the planets — enough to find the constellation and know whether it is up.
Orbital elements
- Semi-major axis
- 0.98 AU
- Eccentricity
- 0.4392
- Inclination
- 24.98°
- Orbital period
- 354.1 days
- Perihelion
- 0.549 AU
- Aphelion
- 1.41 AU
- Longitude of ascending node
- 316.22°
- Argument of periapsis
- 287.37°
- Epoch · J2000
- 2461200.5
- Orbit class · ATE
- Aten
- Earth MOID · 19.7 LD
- 0.0505 AU
- Tisserand (Jupiter)
- 6.018
Orbit quality
Orbit very well determined (uncertainty code 0).
- Observations used
- 352
- Data arc
- 8.4 years
- First observed
- 24 September 2017
- Last observed
- 16 February 2026
- Residual RMS
- 0.48 ″
- Solution · Otto Matic
- 10 April 2026
Visual & observation
- Absolute magnitude (H)
- 19.04
Discovery & classification
- Discovered by
- CSS
- Discovery date
- 24 September 2017
- Discovery site
- Catalina
Also known as 2017 SN14
Close approaches 40 on record
Top-down view of the ecliptic, Earth at the centre, for the 2027-02-04 11:31 UTC close approach of 789529. Catalogue miss distance 42.6 LD · 1.64 × 10⁷ km. The curve is the geocentric path from 2027-02-01 to 2027-02-07, with a mark at UTC midnights and an arrow for the direction of motion. The circle is the Moon’s mean orbit; the Moon is plotted at closest approach. A ray shows the Sun’s direction. The labelled distance is the full separation. The drawn radius is the part that lies in the ecliptic plane. At closest approach the object is north of the ecliptic. The path is a geocentric ecliptic ephemeris from JPL Horizons. The inset is a heliocentric view and is approximate.
| When (UTC) | Body | Distance | Lunar distances | Relative speed |
|---|---|---|---|---|
| 2027-02-04 11:31:00 | Earth | 0.1094 AU | 42.6 LD | 16.7 km/s |
| 2028-01-28 15:03:00 | Earth | 0.101 AU | 39.3 LD | 20.9 km/s |
| 2038-12-24 04:30:00 | Venus | 0.0616 AU | 24.0 LD | 21 km/s |
| 2045-10-06 20:30:00 | Venus | 0.0995 AU | 38.7 LD | 25 km/s |
| 2059-02-02 18:02:00 | Earth | 0.0684 AU | 26.6 LD | 17.7 km/s |
| 2060-01-26 15:26:00 | Earth | 0.1464 AU | 57.0 LD | 22.2 km/s |
| 2070-12-21 15:52:00 | Venus | 0.0507 AU | 19.7 LD | 21.5 km/s |
| 2077-10-04 10:22:00 | Venus | 0.1223 AU | 47.6 LD | 25.9 km/s |
| 2091-02-01 13:18:00 | Earth | 0.0512 AU | 19.9 LD | 18.5 km/s |
| 2092-01-25 07:14:00 | Earth | 0.1789 AU | 69.6 LD | 23.1 km/s |
Next ten from today. 1 lunar distance = 384,400 km. Source: JPL close-approach data.
Sources
- visual properties: JPL SBDB (lookup)
- orbital elements: JPL SBDB